What is the end behavior of the graph of the polynomial function y = 7x¹2-3x³-9x¹?
O AsX-co, y →-co and as Xco, y→-8
As X-co, y →-o and as X→∞, y →
As X-co, y → and as X→∞, y →→∞
As X→-co, y→∞ and as X→∞, y →∞